Energy storage apparatus

Abstract

An energy storage apparatus includes an energy storage device, a first wiring electrically connected to the energy storage device, a harness plate holding the first wiring, and a first connector connected to the first wiring, the first connector being located at a central portion of the harness plate and capable of detachably attaching an external wiring.

The invention claimed is: 
     
       1. An energy storage apparatus comprising:
 an energy storage device; 
 a first wiring electrically connected to the energy storage device; 
 a wiring holding member holding the first wiring; and 
 a first connector connected to the first wiring, the first connector being located in a central portion of the wiring holding member and being capable of detachably attaching an external wiring, 
 wherein the first wiring connects the energy storage device and the first connector. 
 
     
     
       2. The energy storage apparatus according to  claim 1 , further comprising:
 a second wiring that includes a wiring for a voltage lower than that of the first wiring, and is held by the wiring holding member; and 
 a second connector connected to the second wiring and located at an end of the wiring holding member. 
 
     
     
       3. The energy storage apparatus according to  claim 2 , wherein the wiring holding member includes a restricting portion that restricts the first and second wirings to positions arranged in a first region in a direction intersecting with an arrangement direction of the energy storage device and the wiring holding member. 
     
     
       4. The energy storage apparatus according to  claim 3 , further comprising an outer case covering the wiring holding member from an opposite side to the energy storage device,
 wherein a surface portion forming an outer surface closer to the wiring holding member than other portions is formed in the outer case at a position opposed to the first region. 
 
     
     
       5. The energy storage apparatus according to  claim 2 , wherein
 the first and second wirings are disposed to detour around a second region on a connection port side of the first connector. 
 
     
     
       6. The energy storage apparatus according to  claim 5 , wherein the wiring holding member includes a wall standing along at least a part of a periphery of the second region. 
     
     
       7. The energy storage apparatus according to  claim 1 , further comprising:
 a first energy storage unit including the energy storage device, a bus bar connected to an electrode terminal of the energy storage device, and an outer case; and 
 a first conductive member that includes the external wiring connected to the first energy storage unit, 
 wherein the outer case includes:
 a protrusion that is disposed opposite to the bus bar, an outer surface of the protrusion being protruded; and 
 a recess disposed adjacent to the protrusion, an outer surface of the recess being recessed; and 
 
 wherein the first conductive member is disposed in the recess. 
 
     
     
       8. The energy storage apparatus according to  claim 7 , wherein the protrusion includes a first protrusion that is disposed opposite to the electrode terminal of the energy storage device. 
     
     
       9. The energy storage apparatus according to  claim 8 , wherein the recess includes a first recess disposed between two of the first protrusions that are disposed opposite to electrode terminals of two different energy storage devices. 
     
     
       10. The energy storage apparatus according to  claim 8 , wherein the recess includes a second recess disposed between two of the first protrusions that are disposed opposite to two electrode terminals of an identical energy storage device. 
     
     
       11. The energy storage apparatus according to  claim 7 , wherein the bus bar includes:
 two terminal connection portions connected to the electrode terminals of the two different energy storage devices; and 
 a middle portion disposed between the two terminal connection portions, and 
 wherein the protrusion includes a second protrusion disposed opposite to the middle portion. 
 
     
     
       12. The energy storage apparatus according to  claim 11 , wherein the recess includes a third recess that is disposed opposite to at least one of the two terminal connection portions, the third recess being recessed relative to the second protrusion. 
     
     
       13. The energy storage apparatus according to  claim 7 , wherein a connection port, to which the external wiring of the first connector is connected, is disposed to be open toward a direction along a bottom surface of the recess and inward the recess. 
     
     
       14. The energy storage apparatus according to  claim 13 , wherein the first connector is disposed in a central portion of the outer case. 
     
     
       15. The energy storage apparatus according to  claim 7 , wherein the outer case includes a holder holding the first conductive member in the recess. 
     
     
       16. The energy storage apparatus according to  claim 7 , further comprising:
 a second energy storage unit different from the first energy storage unit; and 
 a second conductive member connected to the second energy storage unit, 
 wherein the second conductive member is disposed in the recess of the first energy storage unit. 
 
     
     
       17. The energy storage apparatus according to  claim 7 , wherein the outer case includes a rib opposed to the wiring holding member in a portion where the recess is not formed. 
     
     
       18. The energy storage apparatus according to  claim 17 , wherein the first energy storage unit further includes a thermistor, and
 wherein the rib is disposed at a position closing an opening adjacent to the thermistor. 
 
     
     
       19. An energy storage apparatus comprising:
 a first energy storage unit including an energy storage device, a bus bar connected to an electrode terminal of the energy storage device, and an outer case; and 
 a first conductive member connected to the first energy storage unit, 
 wherein the electrode terminal protrudes in a first direction, 
 wherein the outer case includes:
 a protrusion disposed opposite to the bus bar in the first direction, an outer surface of the protrusion being protruded; and 
 a recess disposed adjacent to the protrusion, an outer surface of the recess being recessed, and 
 
 wherein the first conductive member is disposed in the recess. 
 
     
     
       20. The energy storage apparatus according to  claim 19 , further comprising a first electrode terminal and a second electrode terminal which protrude in the first direction,
 wherein the recess is disposed between the first terminal and the second terminal.